{"image_url":null,"version":"1.0","width":"100%","blog_url":"https://seasawher.hatenablog.com/","provider_url":"https://hatena.blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fseasawher.hatenablog.com%2Fentry%2F2023%2F08%2F02%2F221352\" title=\"Lean \u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u59cb\u3081\u307e\u3057\u305f - \u30d1\u30f3\u306e\u6728\u3092\u690d\u3048\u3066\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Lean4 \u306e\u52c9\u5f37\u3092\u3057\u3066\u3044\u307e\u3059","provider_name":"Hatena Blog","published":"2023-08-02 22:13:52","height":"190","title":"Lean \u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u59cb\u3081\u307e\u3057\u305f","blog_title":"\u30d1\u30f3\u306e\u6728\u3092\u690d\u3048\u3066","author_url":"https://blog.hatena.ne.jp/seasawher/","categories":["Lean Prover"],"url":"https://seasawher.hatenablog.com/entry/2023/08/02/221352","author_name":"seasawher"}